The effect of ignition timing on performance of LPG injected SI engine

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dc.contributor.buuauthorErkuş, Barış
dc.contributor.buuauthorSürmen, Ali
dc.contributor.buuauthorKaramangil, M. İhsan
dc.contributor.buuauthorArslan, Rıdvan
dc.contributor.buuauthorKaplan, Cafer
dc.contributor.departmentUludağ Üniversitesi/Mühendislik Mimarlık Fakültesi/Otomotiv Mühendisliği Bölümü.tr_TR
dc.contributor.departmentUludağ Üniversitesi/Teknik Bilimler Meslek Yüksekokulu.tr_TR
dc.contributor.orcid0000-0001-5965-0313tr_TR
dc.contributor.researcheridV-1754-2018tr_TR
dc.contributor.researcheridAAH-8619-2019tr_TR
dc.date.accessioned2022-01-21T13:04:46Z
dc.date.available2022-01-21T13:04:46Z
dc.date.issued2012-01
dc.description.abstractLPG injection systems are applied to spark ignited gasoline engines with a simple control strategy by taking the differences in heating values of gasoline and LPG into account only. But it is believed that the performance of engine can be improved if some additional parameters are considered in optimization such as ignition timing. In this study a four stroke LPG injected SI engine was run by using specially developed electronic control unit (ECU) which controls the ignition timings. 2 and 4 degrees retarded and advanced ignition timing values were applied besides the original values of gasoline engine. It was detected that the engine was run without any problem with up to 4 degrees advanced ignition timing values but on the other hand retarded values were causing improper combustion therefore some performance test steps failed or reliable results could not be obtained. Experiments were carried out at fixed throttle position of 25% of full opening and between 2000 - 4000 rpm engine speeds to determine performance parameters. Comparative results of performance emissions are presented for 2 and 4 degrees advanced ignition timing values from original. During the tests excess air ratio was not controlled for a specific value but it was kept between 0.91 and 1.1 CO, CO2 and HC emissions were in the intervals of 0.17 % - 3.41%, 10.70% - 12.22% and 83 - 225 ppm, respectively. The highest brake power and torque values were obtained as 31.67 kW at 4000 rpm and 96.64 Nm at 2000 rpm respectively with 2 degrees advanced ignition timing values. The lowest brake specific fuel consumption value was obtained as 240.14 g/kWh at 2500 rpm with 4 degrees advanced ignition timing value.en_US
dc.identifier.citationErkuş, B. vd. (2012). "The effect of ignition timing on performance of LPG injected SI engine". Energy Education Science and Technology Part A-Energy Science and Research, 28(2), 1199-1206.en_US
dc.identifier.endpage1206tr_TR
dc.identifier.issn1308-772X
dc.identifier.issue2tr_TR
dc.identifier.startpage1199tr_TR
dc.identifier.urihttp://hdl.handle.net/11452/24230
dc.identifier.volume28tr_TR
dc.identifier.wos000297087600068tr_TR
dc.indexed.wosSCIEen_US
dc.language.isoenen_US
dc.publisherSıla Scienceen_US
dc.relation.journalEnergy Education Science and Technology Part A-Energy Science and Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.relation.tubitak107M405tr_TR
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectEnergy & fuelsen_US
dc.subjectEngineeringen_US
dc.subjectIgnition timingen_US
dc.subjectElectronic controlen_US
dc.subjectSI enginesen_US
dc.subjectAlternative fuelsen_US
dc.subjectLPGen_US
dc.subjectDiesel-engineen_US
dc.subjectMethyl-esteren_US
dc.subjectFuelen_US
dc.subjectOilen_US
dc.subjectEmissionsen_US
dc.subjectBlenden_US
dc.subject.wosEnergy & fuelsen_US
dc.subject.wosEngineering, environmentalen_US
dc.subject.wosEngineering, chemicalen_US
dc.titleThe effect of ignition timing on performance of LPG injected SI engineen_US
dc.typeArticle

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